add the functionality for updating the circle size
clarify a comment
add path to underscore.js
add functions for getting filter values and filtering personsInQuery
add forgotten semicolons
add function for seeing if a person is included by the filter
add functions for checking if person is included by filter and set initial filter state to false
integrate filterIsOn
add code for making filter modal only disappear when you update filters
add working filters! Yay!
add a note about how to close the Filter Modal
change oddly erroneous "Emails Listing" to "Emails List"
add awesome brilliant refresh for updating filters